61996768 has 24 divisors (see below), whose sum is σ = 122577840. Its totient is φ = 30865920.

The previous prime is 61996757. The next prime is 61996769. The reversal of 61996768 is 86769916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61996769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3693 + ... + 11731.

It is an arithmetic number, because the mean of its divisors is an integer number (5107410).

Almost surely, 2^61996768 is an apocalyptic number.

It is an amenable number.

61996768 is a deficient number, since it is larger than the sum of its proper divisors (60581072).

61996768 is a wasteful number, since it uses less digits than its factorization.

61996768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290 (or 8282 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The square root of 61996768 is about 7873.8026391319. The cubic root of 61996768 is about 395.7822834799.

The spelling of 61996768 in words is "sixty-one million, nine hundred ninety-six thousand, seven hundred sixty-eight".